From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Thu, 22 Feb 2018 15:34:50 +0100 Subject: [PATCH v3 7/8] drm/sun4i: Add support for plane alpha In-Reply-To: References: <76eeabd20aeff78f2cd434eb25a0d2a37528ea57.1518802627.git-series.maxime.ripard@bootlin.com> Message-ID: <20180222143450.gr3tom2ahdimdurd@flea.lan> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Feb 22, 2018 at 10:17:38PM +0800, Chen-Yu Tsai wrote: > On Sat, Feb 17, 2018 at 1:39 AM, Maxime Ripard > wrote: > > Our backend supports a per-plane alpha property. Support it through our new > > helper. > > > > Signed-off-by: Maxime Ripard > > Reviewed-by: Chen-Yu Tsai > > Though, not having a graphics background, does alpha = 255 mean fully > transparent and thus can be skipped? Or no alpha at all? It means that it's fully opaque, and therefore we are in the same situation than if we had no alpha channel at all. Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: